Retort coke-oven.



C. H. HUGHES.

RETOBT COKE OVEN.

APPLICATION FILED 156.19. IoIz.

1,055,536., v Pateuted'Mar. 11, 1913.

2 SHEETS-SHEET l.

U. H. HUGHES.

HBTORT COKE OVEN.

APPLICATION FILED AUG. 19. lUiZ. 1,055,586. Patented Mar.11,19.13.

' 2 SHEBTSSHEET 2.

' UNITED STATES PATENT orrrcn.

CHARLES n. nUGHEsor sYnecUsE, NEW Yonx, nssIGNon. To sEmET-soLvAY com-PANY) on sYEAcUsE, NEW YORK, n conronaTIoN or PENNSYLVANIA.

nE'ronT coKE-ovEN.

' Specification of Letters`1atent.

Patente-i Mer. 11,1913.

agipiiannalsa August 19, 191e. serialize. 715,733. n

To whom it may concern:

Be it. known that I,- Cnannns H. HUGHES,

-a'jcitizen-of the United States, residing at Syracusefin the county ofOnondaga. and

Stateof New York, have invented certain new and useful Improvements inRetort Coke-Ovens, 'of which the follow-ing* 1s a specification.

' My inventlo relates particularly to the type of oven shown inUnitedStates Lett}SPittent llo. 970,720, and the object of my improvemen,is to'provide a simple system of distributing lues for the air ofcombustion and the waste gases and an arrangement of controlling valveswhereby,

through the heating ilues of the oven and through the regenerators isreversed, the air `will be admitted through the heated regenerator tothe heating ilues and burners in the most. direct manner without firsthaving tosweep out thewaste gases of combustion from a waste gas flue,and no waste gas will continue tonbe sent through the heatedregenerator.

My invention will be' best understood by reference to the accompanyingdrawings, illustrating an embodiment thereof, Figure 1 of which'shows avertical longitudinal section through one oven of a block, and

Fig. 2 shows a horizontal section on the line 2-4-2 Figzl.

. 3, running longitudinally of the Referring tothe drawings, A indicatesthe oven below which are located two re` generators, 1, 2, theconstruction being the same for each oven of the block. Below theregenerators are located waste gas tlues,

4, 5, and, between these, an air 'sulply iue ovens. AThe waste gas dues4, 5', are connected respectively with the regenerators 1,

v2, by'passages 7, 10, and the air iiue, isA

. 4also connected with the regenerators 1, 2,

by passa es 8, 9.. Thepassages, 7, 8, ane controlla by a single valve11, sagrranged .that when one ,of the passages as, 7;, is-closed by thevalve the passage, 8, is open, and vice versa. The passages, 9 and' 10,are controlled in the same manner by valve 12,l and the valves 11,12,areI arranged to `o crate chronously so thatl one or the o. er of t epassages, 8, 9,'fro1nv the air flue 3 is al? ways open so that air iscontinuously ow lock of" ingfrom air Hue 3 `to oneQor the other ofregenerators 1, 2, and thence to the heating dues 4of the oven in onedirection or the other. f

The synchronous operation of al1 the valves, 11,12, kof the oven blockis effected by the following described means. The valves 11, are eachconnected by a rod, 13, with ,an -arm,i14.,. secured to a rotatable rod,15, running along one side of the block, or .battery,.of ovens and thevalves, 12, are in the same Ina-nner connected by rods, 16, to arms, 17,secured `to a rotatable rod, 18, running` along the other side of theblock of ovens.l At the end of the block of ovens 4the rods, 15, 18, areprovided with means for eiectin their synchronous rotation, such as arod, 19, connected a-t its ends to levers, 20, 21, secured respectivelyto rods,

ing in cylinders, 22, 23.

When 1t is desired to reverse the vdirecpassages,'10 are openedand 'thepassages, 7, are close Thus the waste gas begins to ,flow throughregenerator, 2, and into tlue 5 while air,which is always under res-L'sure in ',flue, 3, begins to flow directly tlrierel from into the'heated regenerator, 1. By means of a chain, 24, connected with the rod,19, andr passing around the spindle of valve, 25, which controls the'outlets of waste gas ues', 4,' 5, one of these lines is' closed and theother opened by the same movement which o ens and closes the passages,7,10.

It wil be understoodv from the foregoing that upon shifting the positionof the valves, 11, 12, reversal of the gas current is instantlyeffected, without any tendency of vthe waste gas to continue to flowthrough the heated regenerator, and the supply of 'airjfor combustionenters vthe heatedl regenerator instantly and directly with no admixturewith waste roducts of combustionexcept for the neg igible quantity con-15, V18, )and also connected to pistons Work# tion of the gas currentthrough the regen-` sagcs, 9, is* closed. A t the 'saine time thetainedin the regenerator, so that tlie'lburners are constantly supplied withair and there is no loss of combustible gas.

When it is desired to cut an individual oven out of operation, asforrepairs, the rods, 13, 16 ma be disconnected from the arms 14, 17, anthe valves moved so as to close the passages 7, 10. Cold air will thencirculate through the heating lues and the oven is thus made easilyaccessible.

What I claim as new and desire to secure by Letters Patent is 1. Thecombination with a horizontal flue, retort coke oven of a pair ofregenerators located below the oven and parallel thereto, two waste gasues and an intermediate air flue located below the regenerators, apassage connecting each of the Waste gas iiues with one of directlyconnecting the air llue with both regenerators, valves controlling saidpasthe regenerators, passages' Loewe@ sages and means for moving saidvalves so as to synchronously shift the connections between theregenerators and said ues.

2. The combination with a retort coke oven having horizontal heatinglilies connected `in series of a pair of regenerators `connected inseries with the heating lines, two waste gas flues, meansfor'alternately connecting 'the regenerators with the waste gas fluesand an air Hue located intermediate the Waste gas llues and providedwithpassages leading directly to each of the regener'ators.

In testimony whereof, I have hereunto subscribed my name, this 7th dayof August A. D., 1912.

CHARLES Hf HUGHES.

Witnesses:

l l-l. DUANE BRUCE, GERALD F. HICKS.

